{"meta":{"source":"HantaTracker","url":"https://hantatracker.app","license":"CC BY 4.0","attribution":"Aggregated from CDC NNDSS Weekly Data (live), WHO Disease Outbreak News, PAHO Epidemiological Alerts, RKI, KDCA, China CDC, and other national authorities. Each outbreak record carries `provenance` and `sourceUrl` fields — verify upstream before citing.","provenance_legend":{"live":"pulled from a live API on this request","who_cited":"verbatim from a WHO Disease Outbreak News entry","recent_authority":"<90d reference from a national authority bulletin","annual_pattern":"multi-year baseline from authority surveillance"},"updated":"2026-06-21T02:15:27.294Z"},"summary":{"cases":21302,"deaths":268,"conf":21297,"cfr":1.3,"countries":23,"outbreakCount":23,"liveSources":1},"outbreaks":[{"id":"mvh","sev":"crit","lat":14.9,"lon":-23.5,"loc":"MV Hondius · moored off Cabo Verde","country":"Multi-country","strain":"Andes","cases":7,"conf":2,"deaths":3,"cfr":42.8,"asOf":"WHO DON599, 4 May 2026","r0":0.3,"msg":"Dutch-flagged expedition cruise with 147 aboard (88 passengers + 59 crew, 23 nationalities). Seven cases (two PCR-confirmed + five suspected) including three deaths. Andes hantavirus confirmed; vessel currently moored off Cabo Verde and headed for the Canary Islands. Affected states: Cabo Verde, Netherlands, Spain, South Africa, United Kingdom.","provenance":"who_cited","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599","sourceName":"WHO Disease Outbreak News (DON599)"},{"id":"us","sev":"warn","lat":36,"lon":-108,"loc":"United States · Four Corners endemic zone","country":"United States","strain":"Sin Nombre / Bayou","cases":28,"conf":28,"deaths":0,"cfr":0,"asOf":"2026 MMWR week 23 (CDC NNDSS)","r0":0,"msg":"28 confirmed HPS cases reported year-to-date through MMWR week 23 of 2026. Cases concentrate in the Four Corners region (Sin Nombre virus) with smaller numbers from the Gulf Coast (Bayou virus).","provenance":"live","sourceUrl":"https://data.cdc.gov/d/x9gk-5huc","sourceName":"CDC NNDSS Weekly Data"},{"id":"nld","sev":"warn","lat":52,"lon":5,"loc":"Netherlands · contact tracing","country":"Netherlands","strain":"Andes (imported)","cases":0,"conf":0,"deaths":0,"cfr":0,"asOf":"WHO DON599, 4 May 2026","r0":0,"msg":"Netherlands is among the five affected states per WHO DON599 (multiple Dutch nationals were aboard the MV Hondius). National IHR Focal Point coordinating contact tracing of disembarked passengers and evacuees.","provenance":"who_cited","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599","sourceName":"WHO Disease Outbreak News (DON599)"},{"id":"esp","sev":"warn","lat":28.3,"lon":-16.5,"loc":"Spain · Canary Islands disembarkation","country":"Spain","strain":"Andes (imported)","cases":0,"conf":0,"deaths":0,"cfr":0,"asOf":"WHO DON599, 4 May 2026","r0":0,"msg":"Spain is among the five WHO-named affected states; the MV Hondius is heading to the Canary Islands for disembarkation. Spanish authorities preparing port-of-entry response and contact tracing.","provenance":"who_cited","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599","sourceName":"WHO Disease Outbreak News (DON599)"},{"id":"zaf","sev":"warn","lat":-26,"lon":28,"loc":"South Africa · Johannesburg","country":"South Africa","strain":"Andes (imported)","cases":1,"conf":1,"deaths":1,"cfr":100,"asOf":"WHO DON599, 4 May 2026","r0":0,"msg":"Disembarked Dutch passenger admitted to a Johannesburg hospital where she died. South Africa NICD coordinating with WHO and the National IHR Focal Point.","provenance":"who_cited","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599","sourceName":"WHO Disease Outbreak News (DON599)"},{"id":"gbr","sev":"info","lat":54,"lon":-2,"loc":"United Kingdom · contact tracing","country":"United Kingdom","strain":"Surveillance","cases":0,"conf":0,"deaths":0,"cfr":0,"asOf":"WHO DON599, 4 May 2026","r0":0,"msg":"UK is among the five WHO-named affected states. UKHSA monitoring travelers connected to the MV Hondius cluster; assessment of risk to the UK public is very low.","provenance":"who_cited","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599","sourceName":"WHO Disease Outbreak News (DON599)"},{"id":"arg","sev":"warn","lat":-41,"lon":-71,"loc":"Argentina · Patagonia (Andes-virus zone)","country":"Argentina","strain":"Andes","cases":70,"conf":70,"deaths":22,"cfr":31,"asOf":"Annual pattern; PAHO 2025 epidemiological alert","r0":0.1,"msg":"Argentina reports approximately 60–110 confirmed HPS cases per year, concentrated in southwestern Patagonia (Chubut, Río Negro, Neuquén) and the northwestern provinces. Argentina is the only country with confirmed person-to-person Andes transmission. Numbers shown reflect the Argentine Ministerio de Salud annual baseline; current weekly counts available from the boletín integrado.","provenance":"annual_pattern","sourceUrl":"https://www.paho.org/en/documents/epidemiological-alert-hantavirus-pulmonary-syndrome-americas-region-19-december-2025","sourceName":"PAHO Epidemiological Alert (Dec 2025)"},{"id":"chl","sev":"warn","lat":-45,"lon":-72,"loc":"Chile · Aysén / Los Lagos","country":"Chile","strain":"Andes","cases":65,"conf":65,"deaths":22,"cfr":33,"asOf":"Annual pattern; PAHO 2025 alert + ISP weekly bulletin","r0":0.05,"msg":"Chile reports approximately 50–80 confirmed Andes hantavirus cases annually with seasonal peaks in summer (December–March). Aysén and Los Lagos consistently report the highest incidence per capita. Annual baseline; verify current week at ISP Chile.","provenance":"annual_pattern","sourceUrl":"https://www.paho.org/en/documents/epidemiological-alert-hantavirus-pulmonary-syndrome-americas-region-19-december-2025","sourceName":"PAHO Epidemiological Alert (Dec 2025)"},{"id":"bra","sev":"info","lat":-13,"lon":-56,"loc":"Brazil · agricultural belt","country":"Brazil","strain":"Juquitiba / Araraquara","cases":110,"conf":110,"deaths":45,"cfr":41,"asOf":"Annual pattern; PAHO 2025 alert + Brazilian Ministério da Saúde","r0":0,"msg":"Brazil reports approximately 80–150 confirmed HPS cases annually, with the highest incidence in southern and central-western states (Mato Grosso, Paraná, Rio Grande do Sul). Dominant strains vary by region.","provenance":"annual_pattern","sourceUrl":"https://www.paho.org/en/documents/epidemiological-alert-hantavirus-pulmonary-syndrome-americas-region-19-december-2025","sourceName":"PAHO Epidemiological Alert (Dec 2025)"},{"id":"deu","sev":"info","lat":48.5,"lon":11.5,"loc":"Germany · Bavaria / Baden-Württemberg","country":"Germany","strain":"Puumala","cases":1300,"conf":1300,"deaths":5,"cfr":0.4,"asOf":"Annual pattern; RKI Infektionsepidemiologisches Jahrbuch","r0":0,"msg":"Germany reports a strongly cyclical Puumala virus burden — peak years exceed 2,000 cases (e.g., 2012, 2017, 2019), trough years <300. Bavaria and Baden-Württemberg contribute the bulk. Cases are notifiable; verify current weekly counts at RKI SurvStat.","provenance":"annual_pattern","sourceUrl":"https://www.rki.de/EN/Topics/Infectious-diseases/Pathogens-A-Z/Hantaviruses/Hantaviruses_node.html","sourceName":"Robert Koch Institute (RKI)"},{"id":"fin","sev":"info","lat":63,"lon":30,"loc":"Finland · boreal forest belt","country":"Finland","strain":"Puumala","cases":1500,"conf":1500,"deaths":1,"cfr":0.07,"asOf":"Annual pattern; THL Finland","r0":0,"msg":"Finland reports the highest per-capita Puumala virus incidence in the world — approximately 1,000–3,000 confirmed cases per year (locally myyräkuume). Severe disease is rare; most patients recover with conservative management.","provenance":"annual_pattern","sourceUrl":"https://thl.fi/en/web/infectious-diseases-and-vaccinations/diseases-and-the-prevention-of-them-a-to-z/nephropathia-epidemica","sourceName":"Finnish Institute for Health and Welfare (THL)"},{"id":"chn","sev":"warn","lat":25,"lon":101.5,"loc":"China · Shaanxi / Heilongjiang / Yunnan","country":"China","strain":"Hantaan / Seoul","cases":11000,"conf":11000,"deaths":110,"cfr":1,"asOf":"Annual pattern; China CDC weekly bulletin","r0":0,"msg":"China reports more hantavirus cases than any other country — typically 10,000 to 20,000 confirmed HFRS cases annually depending on the cycle phase. Hantaan virus dominates in agricultural regions; Seoul virus in port cities. China uses a bivalent inactivated Hantaan/Seoul vaccine in high-incidence rural counties.","provenance":"annual_pattern","sourceUrl":"https://en.chinacdc.cn/health_topics/health_topics01/","sourceName":"China CDC"},{"id":"kor","sev":"info","lat":37.8,"lon":128,"loc":"South Korea · Gyeonggi / Gangwon","country":"South Korea","strain":"Hantaan","cases":400,"conf":400,"deaths":12,"cfr":3,"asOf":"Annual pattern; KDCA infectious disease portal","r0":0,"msg":"South Korea reports approximately 300–600 confirmed HFRS cases annually, concentrated in Gyeonggi, Gangwon, and Chungcheong provinces. The disease (Korean hemorrhagic fever) gave its name to the prototype Hantaan virus. KDCA uses inactivated Hantaan vaccine in high-risk military and rural populations.","provenance":"annual_pattern","sourceUrl":"https://npt.kdca.go.kr/","sourceName":"Korea Disease Control and Prevention Agency (KDCA)"},{"id":"rus","sev":"info","lat":54,"lon":56,"loc":"Russia · Volga / Bashkortostan","country":"Russian Federation","strain":"Puumala / Dobrava","cases":6000,"conf":6000,"deaths":24,"cfr":0.4,"asOf":"Annual pattern; Rospotrebnadzor","r0":0,"msg":"Russia reports several thousand confirmed HFRS cases annually, dominated by Puumala virus in the Volga region (Bashkortostan being a notable focus) and Dobrava-Belgrade in the south.","provenance":"annual_pattern","sourceUrl":"https://www.rospotrebnadzor.ru/","sourceName":"Rospotrebnadzor (Russian Federation)"},{"id":"cpv","sev":"warn","lat":14.93,"lon":-23.51,"loc":"Cabo Verde · Praia harbour","country":"Cabo Verde","strain":"Andes (port of refuge)","cases":0,"conf":0,"deaths":0,"cfr":0,"asOf":"WHO DON599, 4 May 2026","r0":0,"msg":"MV Hondius is currently moored off Praia (Cabo Verde) under a WHO-coordinated maritime quarantine. Two evacuees airlifted off; no community transmission detected. Cabo Verde Ministry of Health and IHR Focal Point coordinating with WHO AFRO.","provenance":"who_cited","sourceUrl":"https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON599","sourceName":"WHO Disease Outbreak News (DON599)"},{"id":"swe","sev":"info","lat":63,"lon":18,"loc":"Sweden · Norrland","country":"Sweden","strain":"Puumala","cases":350,"conf":350,"deaths":1,"cfr":0.3,"asOf":"Annual pattern; Folkhälsomyndigheten","r0":0,"msg":"Sweden reports approximately 200–600 confirmed nephropathia epidemica (Puumala) cases per year, almost exclusively from the four northernmost counties. Cyclic 3-4 year peaks tracking bank vole populations.","provenance":"annual_pattern","sourceUrl":"https://www.folkhalsomyndigheten.se/","sourceName":"Folkhälsomyndigheten"},{"id":"bel","sev":"info","lat":50.5,"lon":4.5,"loc":"Belgium · Wallonia / forest belt","country":"Belgium","strain":"Puumala","cases":200,"conf":200,"deaths":0,"cfr":0,"asOf":"Annual pattern; Sciensano","r0":0,"msg":"Belgium reports 100–300 confirmed Puumala cases annually with a strong cyclic pattern. Wallonian forests (Ardennes) are the main exposure zone; outbreak years follow good acorn crops that drive vole populations.","provenance":"annual_pattern","sourceUrl":"https://www.sciensano.be/","sourceName":"Sciensano (Belgian Institute for Health)"},{"id":"fra","sev":"info","lat":49,"lon":5,"loc":"France · Ardennes / Franche-Comté","country":"France","strain":"Puumala","cases":90,"conf":90,"deaths":0,"cfr":0,"asOf":"Annual pattern; Santé publique France","r0":0,"msg":"France reports approximately 50–120 confirmed Puumala cases annually, concentrated in the Ardennes, Franche-Comté and Picardy regions. Notifiable disease since 2003.","provenance":"annual_pattern","sourceUrl":"https://www.santepubliquefrance.fr/","sourceName":"Santé publique France"},{"id":"svn","sev":"info","lat":46,"lon":14.5,"loc":"Slovenia · Karst / Sava valley","country":"Slovenia","strain":"Dobrava / Puumala","cases":100,"conf":100,"deaths":5,"cfr":5,"asOf":"Annual pattern; NIJZ","r0":0,"msg":"Slovenia consistently reports 50–200 HFRS cases per year — high per-capita incidence. Mixed Dobrava (more severe) and Puumala epidemiology. Outbreak years aligned with neighbouring Balkan reservoirs.","provenance":"annual_pattern","sourceUrl":"https://nijz.si/","sourceName":"Slovenian National Institute of Public Health (NIJZ)"},{"id":"pry","sev":"info","lat":-25,"lon":-57,"loc":"Paraguay · Chaco","country":"Paraguay","strain":"Laguna Negra","cases":25,"conf":25,"deaths":8,"cfr":32,"asOf":"Annual pattern; PAHO 2025 alert","r0":0,"msg":"Paraguay reports approximately 15–40 confirmed HPS cases annually, concentrated in the western Chaco. Laguna Negra virus dominant; carried by Calomys laucha (vesper mouse).","provenance":"annual_pattern","sourceUrl":"https://www.paho.org/en/documents/epidemiological-alert-hantavirus-pulmonary-syndrome-americas-region-19-december-2025","sourceName":"PAHO Epidemiological Alert (Dec 2025)"},{"id":"ury","sev":"info","lat":-33,"lon":-56,"loc":"Uruguay · agricultural belt","country":"Uruguay","strain":"Andes / Lechiguanas","cases":12,"conf":12,"deaths":4,"cfr":33,"asOf":"Annual pattern; PAHO 2025 alert","r0":0,"msg":"Uruguay reports approximately 5–20 confirmed HPS cases annually with substantial year-to-year variation. Cases tend to occur in agricultural workers and travelers to grain-storage facilities.","provenance":"annual_pattern","sourceUrl":"https://www.paho.org/en/documents/epidemiological-alert-hantavirus-pulmonary-syndrome-americas-region-19-december-2025","sourceName":"PAHO Epidemiological Alert (Dec 2025)"},{"id":"pan","sev":"info","lat":8.5,"lon":-80.5,"loc":"Panama · Los Santos peninsula","country":"Panama","strain":"Choclo","cases":40,"conf":40,"deaths":4,"cfr":10,"asOf":"Annual pattern; PAHO 2025 alert","r0":0,"msg":"Panama reports 20–80 confirmed HPS cases annually, almost all from the Azuero Peninsula. Choclo virus (carried by Oligoryzomys fulvescens) gives Panama the highest per-capita HPS incidence in the Americas after Argentina/Chile, but with notably lower case-fatality.","provenance":"annual_pattern","sourceUrl":"https://www.paho.org/en/documents/epidemiological-alert-hantavirus-pulmonary-syndrome-americas-region-19-december-2025","sourceName":"PAHO Epidemiological Alert (Dec 2025)"},{"id":"can","sev":"info","lat":51,"lon":-114,"loc":"Canada · western prairies","country":"Canada","strain":"Sin Nombre","cases":4,"conf":4,"deaths":1,"cfr":25,"asOf":"Annual pattern; PHAC","r0":0,"msg":"Canada reports approximately 2–6 confirmed HPS cases annually, concentrated in Alberta, Saskatchewan, and British Columbia. PHAC notifiable since 1994.","provenance":"annual_pattern","sourceUrl":"https://www.canada.ca/en/public-health/services/diseases/hantavirus.html","sourceName":"Public Health Agency of Canada (PHAC)"}]}